A.MIID2E. 
365 
number, some nearly as deep as broad, all smooth and not indented 
laterally. Fins as in the type species except that the dorsal, pelvic, 
and anal are placed slightly further forwards. 
Form. Log. Lower Kimmeridgian (Lithographic Stone): Bavaria, 
and Ain, France. 
49140. Plaster cast of type specimen of the so-called M. granclis ; 
Eichstadt, Bavaria. Purchased , 1878. 
P. 5545. A fine, equally large specimen; Eichstadt. The caudal 
vertebrae exhibit a feeble longitudinal keel on the middle 
of each centrum ; and a regular series of twelve branchi- 
ostegal rays is displayed on the right side of the fish. 
Purchased , 1888. 
22510. Caudal pedicle and fin of an equally large fish ; Solenhofen, 
Bavaria. Purchased , 1848. 
P. 3658. Fish 0-23 in length, somewhat fractured but displaying 
all the characters of the species ; Kelheim, Bavaria. The 
caudal vertebrae scarcely show the lateral keel noted in a 
previous specimen. Twenty-two supports are exhibited 
in the dorsal, and eight in the anal fin. Enniskillen Coll. 
49133. Plaster cast of specimen of the so-called M. polyspondylus 
described by Wagner, loc. cit. 1863 ; Eichstadt. 
Purchased. 1878. 
Megalurus elegantissimus, Wagner. 
1863. Megalurus elegantissimus , A. Wagner, Abh. k. bay. Akad.Wiss., 
math.-phys. Cl. vol. ix. p. 720, pi. v. fig. 2. 
Type. Nearly complete fish ; Palaeontological Museum, Munich. 
A small species attaining a length of about 0 # 15, apparently only 
distinguished from M. elongatus in the somewhat more slender pro¬ 
portions both of the head and trunk. 
Form. 4' Loc. Lower Kimmeridgian (Lithographic Stone): Bavaria. 
37368. Plaster cast of type specimen ; Solenhofen. 
Purchased , 1863. 
37102. A larger specimen 0-145 in length, showing all the fins and 
displaying the vertebral column in the caudal region ; 
Solenhofen. Twenty-two supports are observable in the 
dorsal, and seven in the anal fin. Haberlein Coll. 
